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Volume 22, Number 7—July 2016
Dispatch

Clinical Manifestations of Senecavirus A Infection in Neonatal Pigs, Brazil, 2015

Raquel A. Leme1, Thalita E.S. Oliveira1, Brígida K. Alcântara, Selwyn A. Headley, Alice F. Alfieri, Ming Yang, and Amauri A. AlfieriComments to Author 
Author affiliations: Universidade Estadual de Londrina, Paraná, Brazil (R.A. Leme, T.E.S. Oliveira, B.K. Alcântara, S.A. Headley, A.F. Alfieri, A.A. Alfieri); National Centre for Foreign Animal Disease, Winnipeg, Manitoba, Canada (M. Yang)

Main Article

Table 2

Distribution of nucleic acid and antigens of Senecavirus A in 1–5-day-old piglets, Brazil, 2015*

Farm, piglet no. Identification of Senecavirus A
Organs RT-PCR IHC
A
1 Tongue + +
Gingiva +† +
Ruptured cutaneous vesicle (thorax) +
Coronary band ulcerations + ND
Myocardium +†
Lung +
Liver
Renal pelvis +† +
Cerebrum
Cerebellum +
Brainstem
2 Tongue + +
Myocardium +†,‡
Lung +
Liver +
Renal pelvis +† +
Cerebrum
Cerebellum +

Brainstem
+

B
3 Tongue + +
Coronary band ulceration + ND
Myocardium +†
Lung +
Liver +
Renal pelvis +† +
Brain +
Cerebellum +
Brainstem +
4 Tongue + +
Gingiva +† +
Myocardium +†
Lung +
Liver +
Renal pelvis +†,‡ +
Cerebrum +
Cerebellum +

Brainstem
+†

C, 5 Myocardium +
Lung +†,‡
Liver

Small intestine with fecal content
+
+
D, 6
Small intestine with fecal content
+†,‡
+
E
7 Myocardium
Lung
Spleen +†
Renal pelvis +
Urinary bladder + +
Small intestine with fecal content
Cerebrum
Cerebellum
Brainstem
8 Myocardium +
Lung +†
Spleen +
Renal pelvis + +
Urinary bladder + +
Small intestine with fecal content
Cerebrum +
Cerebellum +
Brainstem
9 Gingiva + +
Myocardium +
Lung +
Spleen +
Renal pelvis + +
Urinary bladder +† +
Small intestine with fecal content +
Cerebrum
Cerebellum
Brainstem +
10 Tongue +†,‡ +
Gingiva + +
Myocardium +
Lung +
Spleen +
Renal pelvis + +
Urinary bladder + +
Small intestine with fecal content +
Cerebrum +
Cerebellum +
Brainstem

*IHC, immunohistochemistry; ND, not done; RT-PCR, reverse transcription PCR; +, positive; –, negative.
†Amplicons submitted for sequence analysis.
‡Amplicons representative of each farm in the phylogenetic tree construction.
§Choroid plexus.

Main Article

1These authors contributed equally to this article.

Page created: June 14, 2016
Page updated: June 14, 2016
Page reviewed: June 14, 2016
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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